Hello, I’m encountering a consistent blocking issue with the Codex client that makes it impossible to continue working after some time. :red_circle: Problem description At a certain point (likely when the context becomes large), Codex attempts to run a context compaction task and fails with the fo…

I’m seeing a new bug today that is occurring frequently when the application does auto compaction. [image]

Version 26.409.20454 (1462) 26.4.1 (25E253)

Same thing, bro) I think this is a system problem

I’ve just started experiencing the same error.

Same problem today, subscribing

Codex client crash: "Unknown parameter: prompt_cache_retention" during context compaction (blocking issue)

nickzsb.nz April 14, 2026, 6:03pm 3

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